Role of selected dietary components on the course of SARS-CoV-2 infection

Abstract

Introduction and objective Coronavirus disease (COVID-19) is caused by the SARS-CoV-2 virus. SARS-CoV-2 virus is one of the largest RNA viruses. It belongs to the group of coronaviruses and exhibits tropism to the epithelial cells of the respiratory tract. Due to the large number of deaths from coronavirus infection, there is an urgent need to find effective drugs, methods of prevention and control. The global strategy of combating COVID-19 assumes, inter alia, the hypothesis that a well-balanced diet combined with antiviral drugs and herbs can be an ally in the fight against infection. Objective The aim of the study was to review the current literature on the influence of selected components on the course of SARS-CoV-2 infection. Review methods A systematic review of studies published from 1 January 2015 – 31 July 2021 has been performed. For this purpose, bibliographic databases such as PubMed, Elsevier and Web of Science were searched. The following key words and their combinations were used: Covid-19, dietary ingredients, vitamin D, selenium, zinc, vitamin B12, Omega-3. Abbreviated description of the state of knowledge Properly composed and balanced diet, providing the appropriate amount of nutrients and energy, should support the immune system and contribute to the reduction of the risk of disease and support the recovery process. Summary Main activities should be aimed at changing life style. According to experts, especially in the face of the COVID-19 pandemic, a healthy life style, including adequate physical activity and changing eating habits should be the highest priority. It can reduce the risk, and in the event of contracting COVID-19, can help reduce the risk of complications.

Keywords

• nutrients
• immunity
• covid-19
• antiviral properties